package com.cn.wanxi.servlet.user;

import com.alibaba.fastjson.JSONObject;
import com.cn.wanxi.model.UserModel;
import com.cn.wanxi.service.IUserService;
import com.cn.wanxi.service.impl.UserServiceImpl;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.util.List;

@WebServlet("/back/user/del")
public class UserDelServlet extends HttpServlet {
    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
//        1.乱码

//        2.拿到页面的值
        String idString = req.getParameter("id");
//        3.封装model
        int id = 0;
        if (idString == null || "".equals(idString)) {
            id = 0;
        } else {
            id = Integer.parseInt(idString);
        }
//        int id = idString == null || "".equals(idString) ? 0 : Integer.parseInt(idString);
//        4.调用服务逻辑层
        IUserService iUserService = new UserServiceImpl();
//        5.接受返回值
        int count = iUserService.del(id);
//        6.返回json（页面)
        JSONObject jsonObject = new JSONObject();
        jsonObject.put("count", count);//将整型转换为json对象
        resp.getWriter().println(jsonObject);//传递到页面的值
    }
}
